Yuki Mochizuki vs Yunseong Chung — Seoul CH Qualifying Round 2

Seoul CH · CHALLENGER · Qualifying Round 2
JPN11
Yuki Mochizuki
28 yrs · 173 cm · Right-handed
Last 10 · pre-match
LLWLLLWLLW
2 — 0
Sets
Monday, 27 October 2025
hard
KOR
Yunseong Chung
28 yrs · 178 cm · Right-handed
Last 10 · pre-match
LLWLLLWWWW
Mochizuki Y.
6-4 6-4
Chung Y.
Mochizuki Y.
662
Chung Y.
440

Yuki Mochizuki defeated Yunseong Chung 6-4 6-4 in the Seoul CH qualifying round 2 on hard. The upset overturned the form book — Yunseong Chung came in defending last year's round of 32.

Key context

  • Match story: Yuki Mochizuki edged a tight contest from start to finish — 6–4 6–4.

Head to head

No previous meetings on record.

Serve vs return

This season
Mochizuki Y.serving68% hold

wins 58% of points on serve vs Chung Y.

Chung Y.serving82% hold

wins 65% of points on serve vs Mochizuki Y.

Serve advantage — Chung Y.

Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About

Statistics

This season
Mochizuki Y.Chung Y.
1st serve in·Slight edge
68%
62%
1st serve points won·Slight edge
60%
71%
2nd serve points won·Slight edge
49%
54%
Service points won·Slight edge
56%
64%
Return points won·Even
38%
38%
Break points saved·Slight edge
48%
55%
Aces / match·Clear edge
2.3
5.0
Double faults / match·Slight edge
2.2
1.5

Averages over each player's completed matches in the selected window (39 vs 4). ATP, WTA & Challenger.

Umpiry Score

Pre-match
Mochizuki Y.
4.2
Heavy underdogUmpiry ScorePartial · surface data limited
  • Extended break: 175 days (−1.5)
Chung Y.
4.0
Heavy underdogUmpiry ScorePartial · surface data limited
  • Extended break: 189 days (−1.5)
Form & Matchup
5.0No prior meetings
H2H
5.0
5.5
Surface form
4.0
0.0
Win streak
0.0Lost last 3
Context
5.0
Defending pts
6.0

The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.

Conditions

Court speed
Medium-slowfavours grinders
SlowFast
Q2
Park U.
Nam J.
6-46-1
Sekulic P.[5]
Zhu E.
7-56-3
Imamura M.[6]
Vrbensky M.
6-47-63
Mochizuki Y.[11]
Chung Y.
6-46-4
Samrej K.[2]
Kumasaka T.
6-26-1
Isomura K.[10]
Takahashi Y.[4]
6-26-4
Q1
Samrej K.[2]
Lee D.
6-16-3
Nam J.
Oberleitner N.[3]
6-34-66-1
Chung Y.
Uchida K.[1]
4-66-36-4
Isomura K.[10]
Kim D.
6-46-3
Mochizuki Y.[11]
Bravo A.
6-26-2
Kumasaka T.
Zhukov M.[7]
3-66-46-1
Park U.
Huang T.[8]
4-66-37-5
Takahashi Y.[4]
Ramanathan R.
6-17-65
Sekulic P.[5]
Matsuda R.
7-53-67-5
Zhu E.
Agafonov E.[9]
6-15-77-66
Imamura M.[6]
Uesugi K.
6-36-3
Vrbensky M.
Palan D.[12]
6-27-5